small scale vertical boiler
small scale vertical boiler
小型立式锅炉
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The paper discussed the strength calculation of the growing circle bure of small scale vertical boiler, and put forward his opinion according its stress.
就小型立式锅炉长圆孔开孔强度计算进行了探讨，根据长圆孔的应力状态，提出了自己的看法。
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